Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
  • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
  • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
  • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
  • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles

Definitions

• the invention relates to new permethric acid (triazolyl alkyl) esters, a process for their preparation and their use as fungicides.
• the permethric acid (triazolyl-alkyl) esters of the formula (1) contain at least three asymmetrically substituted carbon atoms. They can therefore be in the form of racemates, diastereomer mixtures or else in the form of optically active enantiomers.
• the invention relates both to the racemates and to diastereomer mixtures and optically active enantiomers.
• permethric acid (triazolylalkyl) esters of the formula (I) according to the invention have a significantly better fungicidal activity than the structurally most similar substances of the same kind known from the prior art.
• Another group of particularly preferred compounds according to the invention are those permethric acid (triazolylalkyl) esters of the formula in which R 1 .R 2 and R 3 have the meaning preferably given above and the carbon atom identified by an (*) in the permethric acid part has the S configuration.
• These substances can be in the form of diastereomer mixtures or in the form of individual optically active enantiomers.
• Formula (11) defines the azole derivatives required as starting materials when carrying out the process according to the invention.
• R 1 , R 2 and R 3 preferably have those meanings which have already been mentioned for these radicals in connection with the description of the substances of the formula (1) according to the invention.
• the azole derivatives of the formula (II) are already known (cf. DE-OS 2 737 489, EP-OS 0 015 387, EP-OS 0 032 200. EP-OS 0 044 425 and EP-OS 0 053 311).
• the permethric acid halides also required as starting materials when carrying out the process according to the invention are represented by the formula (III) Are defined.
• Permethrinic acid chlorides are particularly preferred. Racemic trans-permethric acid chloride, 1-R-trans-permethric acid chloride and 1-S-trans-permethric acid chloride may be mentioned as examples.
• the permethric acid halides of the formula (111) are already known (cf. EP-OS 0 022 972).
• Suitable acid binders for carrying out the process according to the invention are all customary inorganic and organic acid acceptors.
• Alkelic carbonates such as, for example, sodium carbonate or sodium bicarbonate, and furthermore lower tertiary alkylamines, cycloalkylamines, arylalkylamines or arylamines, such as, for example, triethylamine, N, N-dimelhylbenzylamine, pyridine, 1,4-diazabicyclo [2,2,2] octane or 1,5-diazabicyclo- [4,3,0] non-5-ene.
• All customary inert organic solvents can be used as diluents when carrying out the process according to the invention.
• Hydrocarbons such as gasoline, benzene, toluene or xylene, halogenated hydrocarbons such as dichloromethane, chloroform, carbon tetrachloride, chlorobenzene or dichlorobenzene, ethers such as diethyl ether, tetrahydrofuran or dioxane, nitriles such as acetonitrile or propionitrile, or esters such as ethyl acetate are preferred.
• reaction temperatures can be varied within a substantial range when carrying out the process according to the invention. In general, temperatures between -10 ° C and + 150 ° C, preferably between 0 ° C and + 100 ° C.
• the process according to the invention is generally carried out under normal pressure. However, it is also possible to work at elevated or reduced pressure.
• 1 mol of azole derivative of the formula (II) is generally 1 to 2 mol, preferably 1 to 1.5 mol, of permethric acid halide of the formula (III) and, if appropriate, 1.5 to 2.5, preferably 1.5 to 2 moles of acid binder.
• the processing takes place according to usual methods.
• a diastereomer mixture of the corresponding 1-S-trans esters is formed by reaction with 1-S-trans-permethric acid chloride.
• the diastereomer mixtures obtained in the process according to the invention can be separated by customary methods, e.g. by fractional crystallization or with the help of chromatographic methods.
• the active compounds according to the invention have a strong microbicidal action and can be used practically to combat unwanted microorganisms.
• the active ingredients are suitable for use as pesticides.
• Fungicidal agents in crop protection are used to control Plasmodiophoromycetes, Oomycetes, Chytridiomycetes, Zygomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes.
• the active compounds according to the invention can be used with particularly good results in combating vegetable diseases, such as, for example, the pathogen Sphaerotheca fuliginea.
• the active compounds can be converted into the customary formulations, such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, active substance-impregnated natural and synthetic substances, very fine encapsulations in polymeric substances and in coating compositions for seeds, and also in formulations with Fuel sets, such as smoking cartridges, cans, spirals, etc., as well as ULV cold and warm mist formulations.
• customary formulations such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, active substance-impregnated natural and synthetic substances, very fine encapsulations in polymeric substances and in coating compositions for seeds, and also in formulations with Fuel sets, such as smoking cartridges, cans, spirals, etc., as well as ULV cold and warm mist formulations.
• Adhesives such as carboxymethyl cellulose, natural and synthetic powdery, granular or latex-shaped polymers, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, and natural phospholipids, such as cephalins and lecithins and synthetic phospholipids, can be used in the formulations.
• Other additives can be mineral and vegetable oils.
• Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc can be used.
• the formulations generally contain between 0.1 and 95% by weight of active compound, preferably between 0.5 and 90%.
• the active compounds according to the invention can be present in the formulations or in the various use forms in a mixture with other known active compounds, such as fungicides, bactericides, insecticides, acaricides, nematicides, herbicides, bird repellants, growth agents, plant nutrients and agents which improve soil structure.
• active compounds such as fungicides, bactericides, insecticides, acaricides, nematicides, herbicides, bird repellants, growth agents, plant nutrients and agents which improve soil structure.
• the active compounds can be used as such, in the form of their formulations or in the use forms prepared therefrom by further dilution, such as ready-to-use solutions, emulsions, suspensions, powders, pastes and granules. They are used in the usual way, e.g. by pouring, dipping, spraying, spraying, atomizing, vaporizing, injecting, slimming, spreading, dusting, scattering, dry pickling, wet pickling, wet pickling, slurry heating or incrusting.
• the active compound concentrations in the use forms can be varied within a substantial range. They are generally between 1 and 0.0001% by weight, preferably between 0.5 and 0.001 X.
• amounts of active ingredient of 0.001 to 50 g per kilogram of seed, preferably 0.01 to 10 g, are generally required.
• active substance concentrations of 0.00001 to 0.1% by weight, preferably 0.0001 to 0.02% by weight, are required at the site of action.
• the preparation and use of the active compounds according to the invention can be seen from the following examples.
• a mixture of diastereomers of 1S-trans-permethric acid [1- (4-chlorophenoxy) -1- (1,2,4-triazol-1-yl) -3,3-dimethyl-but-2-yl] esters (RR, SS, SR and RS - enantiomers) is separated by chromatographing a 20% by weight solution of the mixture of diastereomers in chloroform.
• Lobar system consisting of pump: GFG Type 1 pr Detector: Knauer RI detector Auto fraction collector: LKB 2111 Multirac Eluent: n-hexane; tert-Butyl-methyl-ether-614 Flow rate: 6 ml per minute Column: Lichroticianp. Si 60, size C.
• Solvent 4.7 parts by weight of acetone emulsifier: 0.3 part by weight of alkylaryl polyglycol ether
• active compound 1 part by weight of active compound is mixed with the stated amounts of solvent and emulsifier and the concentrate is diluted with water to the desired concentration.
• the plants are then placed in a greenhouse at 23 to 24 ° C and at a relative humidity of approx. 75%.
• Evaluation is carried out 10 days after the inoculation.

Landscapes

• Organic Chemistry (AREA)
• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Dentistry (AREA)
• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Plant Pathology (AREA)
• General Health & Medical Sciences (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Pest Control & Pesticides (AREA)
• Agronomy & Crop Science (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6269694

Family Applications (1)

Country Status (6)

Cited By (1)

• 1985
  • 1985-05-03 DE DE19853515868 patent/DE3515868A1/de not_active Withdrawn
• 1986
  • 1986-04-22 EP EP86105570A patent/EP0200146A2/de not_active Withdrawn
  • 1986-04-28 JP JP61099311A patent/JPS61254572A/ja active Pending
  • 1986-04-29 IL IL78640A patent/IL78640A0/xx unknown
  • 1986-05-02 DK DK202986A patent/DK202986A/da not_active Application Discontinuation
  • 1986-05-02 ZA ZA863307A patent/ZA863307B/xx unknown

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